201978512

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{664403}}^1$

素因数の和:664430

約数の個数: 20

約数和(自身を含む): 411930480

約数和(自身を除く): 209951968

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 664403, 1328806, 2657612, 5315224, 10630448, 12623657, 25247314, 50494628, 100989256, 201978512]

約数ペア:

[(1, 201978512), (2, 100989256), (4, 50494628), (8, 25247314), (16, 12623657), (19, 10630448), (38, 5315224), (76, 2657612), (152, 1328806), (304, 664403)]